Junior Stanislas could feature after making his first appearance since May in the League Cup win over Brighton.
It might now be hard for the head coach to leave him out in the Premier League.
Andrew Surman collected Ibe's return pass to equalise midway through the second half before former Liverpool winger Ibe slid through a clever ball for Jermain Defoe to lash home the victor - his first goal for the club since signing in the summer.
Bournemouth boss Eddie Howe was adamant there was no malice in the challenge.
Indeed, what happens at Goodison on Saturday will ultimately give a fairer indication as to whether Everton and Bournemouth are over their early-season hangovers.
This will only be the sixth meeting between the two sides since Bournemouth came to the Premier League, with the Cherries winning only one out of them in all competions.
With a convincing 3-0 victory over Sunderland in the League Cup on Thursday (AEST), Koeman hopes Everton have turned a corner heading into the weekend.
The result means that Everton end a run of three straight defeats in the league to move up to 13th in the table.
Barry, 36, joined Tony Pulis' side just before the start of the new season and has quickly established himself as a regular starter for West Brom, who are preparing to take on Arsenal at the Emirates Stadium on Monday (25 September).
Forward Callum Wilson and goalkeeper Adam Federici are still out and will play no part today.
"A lot of us have been in this position before where things are not going your way".
Failing to win though would be more serious for Koeman than it would for Howe. Displaying a trait not always found in more esteemed and experienced teammates, the young midfielder has a willingness to seek possession that has been absent of late. Last season was a totally different situation as we had Romelu Lukaku.
Rooney was soon back on, however, and could have given the Toffees the lead had he not slipped as he latched onto Idrissa Gueye's clever reverse pass, with Everton made to pay for that miss after the restart.
It was Koeman's turn to watch on in bewilderment when King scored twice in quick succession to leave the game firmly in the balance with 20 minutes to play.
The Senegal striker scored in the 77th and 82nd minutes at Goodison Park after coming on as a second-half substitute for Wayne Rooney, who needed treatment in the first half after an elbow in the face left him with blood pouring from a cut.
They threatened at Old Trafford for a good amount of the game, yet completely fell apart in the final few minutes. Predict the score for this match and the rest of this round's Premier League fixtures in our Predictor game.
In addition to our live commentary, look out for our live blog which will bring you updates, imagery, video and team news from Goodison.
Follow this game on our match centre below.